Abstract
The Bignoniaceae family includes 840 species and 81 genera and has been the focus of many phylogenetic studies based on molecular characters. Bignonieae, the largest tribe of Bignoniaceae, is mainly composed of neotropical lianas with leaflets modified into tendrils. The genus Bignonia L., which is placed in Bignonieae, currently includes 28 species placed in eight different genera: Clyto…